package org.reliablesource.jdt.ui.workbench.tests;

import java.net.MalformedURLException;
import java.net.URL;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.plugin.AbstractUIPlugin;

/**
 * The main plugin class to be used in the desktop.
 */
public class TestPlugin extends AbstractUIPlugin{
    //The shared instance.
    private static TestPlugin plugin;

    //Resource bundle.
    private ResourceBundle resourceBundle;

    /**
     * The constructor.
     */
    public TestPlugin() {
        super();
        plugin = this;
    }

    /**
     * Returns the shared instance.
     */
    public static TestPlugin getDefault() {
        return plugin;
    }

    /**
     * Returns the string from the plugin's resource bundle,
     * or 'key' if not found.
     */
    public static String getResourceString(String key) {
        ResourceBundle bundle = TestPlugin.getDefault().getResourceBundle();
        try {
            return bundle.getString(key);
        } catch (MissingResourceException e) {
            return key;
        }
    }

    /**
     * Returns the plugin's resource bundle,
     */
    public ResourceBundle getResourceBundle() {
        return resourceBundle;
    }

    /**
     * Returns the image descriptor with the given relative path.
     */
    public ImageDescriptor getImageDescriptor(String relativePath) {
        String iconPath = "icons/";
        try {
            URL installURL = getDescriptor().getInstallURL();
            URL url = new URL(installURL, iconPath + relativePath);
            return ImageDescriptor.createFromURL(url);
        } catch (MalformedURLException e) {
            // should not happen
            return ImageDescriptor.getMissingImageDescriptor();
        }
    }
}
